Physics Which of the following is preferred for accelerating electrons? Van de Graft Generator Synchrotron Betatron Cyclotron Van de Graft Generator Synchrotron Betatron Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The exposure time The aperture The focal length of the lens Size of the camera The exposure time The aperture The focal length of the lens ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball ANSWER DOWNLOAD EXAMIANS APP
Physics Noise is measured in Centigrade REM Watt Decibel Centigrade REM Watt Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 5 6 7 3 5 6 7 3 ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Will increase first and then dcrease Increase Dacrease Remain constant Will increase first and then dcrease Increase Dacrease ANSWER DOWNLOAD EXAMIANS APP
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